CN105014983A - Forming method for plastic packing container with plastic absorber integrally formed with injection molding process - Google Patents
Forming method for plastic packing container with plastic absorber integrally formed with injection molding process Download PDFInfo
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- CN105014983A CN105014983A CN201510461064.6A CN201510461064A CN105014983A CN 105014983 A CN105014983 A CN 105014983A CN 201510461064 A CN201510461064 A CN 201510461064A CN 105014983 A CN105014983 A CN 105014983A
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- plastic
- absorbing component
- forming method
- packaging containers
- injection molding
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Abstract
The invention discloses a forming method for integrally forming a plastic packing container with a plastic absorber integrally formed with an injection molding process. The forming method comprises the following steps: producing the plastic absorber by a single-layer or a multi-layer co-extruded sheet through a plastic-absorption forming and processing method, and placing the plastic absorber on a conveyor belt or a fixed station for later use; preparing raw materials required for injection molding, mixing and putting the raw materials into a feeding hopper; putting the plastic absorber into an mould of an injection molding machine by adopting a mechanical hand after the raw materials are fused into a flow state by a screw of the injection molding machine; and carrying out in-mould injection molding on the plastic absorber, cooling and de-molding the plastic absorber after forming the plastic absorber, thereby producing the plastic container with the plastic absorber integrally formed with the injection molding process. The plastic container produced by the method has relatively high barrier property, and is light and low in production cost. The forming method can be widely applied to production of plastic packing containers.
Description
Technical field
The present invention relates to plastics processing technique, especially relate to a kind of plastic packaging containers plastic-absorbing component and the integrated forming method of Shooting Technique.
Background technology
Nowadays plastics package application is more and more extensive, also more and more higher to outward appearance, functional requirement of packaging, the injecting products of existing market, the materials processing being generally single layer structure is shaping, more difficultly meet client to required high obstructing performance, the injecting products of high-barrier effect is reached for using multiple layers of different materials jointly shaping, a large amount of infusion of financial resources is needed to introduce advanced equipment in the beginning, and production cost is high, and for plastic uptake product, because the material of product is thin, do not possess the feature of high functionality.
Summary of the invention
In order to overcome above-mentioned prior art problem, the object of this invention is to provide and a kind ofly can reduce production cost, increase product barrier property and the light plastic packaging containers plastic-absorbing component of product and the integrated forming method of Shooting Technique.
Technical scheme of the present invention is: a kind of plastic packaging containers plastic-absorbing component and the integrated forming method of Shooting Technique, comprise the following steps:
(1) adopt single or multiple lift coextrusion sheet plastics sucking moulding processing method to produce to have the plastic-absorbing component of the thin or high obstructing performance of wall, the plastic-absorbing component produced is placed on conveyer belt or fixed station for subsequent use;
(2) get out the raw material needed for injection mo(u)lding, knock down in hopper after mixing, compound enters the screw rod of injection machine through being melt into flow regime;
(3) adopt manipulator to be taken by plastic-absorbing component and put in injection machine die cavity, carry out in-mould injection to the local of plastic-absorbing component or entirety shaping, shaping rear cooling and demolding, namely completes a plastic-absorbing component and the integrated plastic packaging containers of Shooting Technique.
Further, when described injection moulding is in-molded, when plastic-absorbing component carries out local in-mould injection, non-injection mo(u)lding portion temperature need control below 50 degree, in order to avoid the too high appearance causing the situation such as distortion, fusing of plastic uptake product of temperature.
Described cooling and demolding is for carry out cooling and demolding by chilled water to mould, cooling and demolding is for carry out cooling and demolding by chilled water to mould, mold bottom is provided with the water channel for freezing water flow, chilled water temperature is generally set as 10-25 DEG C, particularly, described water channel is Two-way Cycle cooling water channel, there are two circulation waterways, water route diameter is 8-16mm, adopt the water route diameter of 8-16mm that current can be made to form turbulent condition, heat exchange is abundant, adopts the chilled water temperature of 10-25 DEG C to accelerate heat exchange, improve cooling effectiveness, shorten cool time.
The described injection mo(u)lding time is 6-30S, and the injection mo(u)lding time is fast, and plastic uptake product can keep complete profile, can not be out of shape.
Described cool time is 2 ~ 20s, and cooling velocity is fast, shortens the production cycle, enhances productivity.
Beneficial effect of the present invention is:
1, the plastic-absorbing component of the present invention by first adopting plastic uptake processes to become to have the thin or high obstructing performance of wall, again injection mo(u)lding is carried out to the local of plastic-absorbing component or entirety, the feature high in conjunction with injecting products intensity, good airproof performance, structure diversification, product size stability are high and plastic uptake product can be the feature that multilayer material is made, production cost is low, and the plastic packaging containers produced can meet the required high obstructing performance of client.There is light, good airproof performance simultaneously, meet several functions requirement.The plastic packaging containers production cost with high obstructing performance adopting this method to produce is low, and this method can be widely used in the production of plastic packaging containers;
2, forming method of the present invention can variation, can locally-shaped or global formation according to different designs, and simple to operate, save labour, yield rate is high, and quality is good, decreases half-finished stacking and scraps, and saves the consumed cost of enterprise.
Accompanying drawing explanation
Fig. 1 is embodiment 1 plastic containers shaping schematic views;
Fig. 2 is embodiment 2 plastic containers shaping schematic views.
In figure, 1, box body; 11, box mouth; 2, circle body; 1 ', box body; 2 ', shell.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further elaborated.
Embodiment 1
As shown in Figure 1, a kind of plastic containers plastic uptake parts and the integrated forming method of Shooting Technique, be divided into box body 1 and box mouth 11 by plastic packaging containers according to its structure, comprise the following steps:
(1) adopt single or multiple lift coextrusion sheet to produce the box body 1 with the thin or high obstructing performance of wall through plastics sucking moulding processing method, box body is placed on conveyer belt or fixed station for subsequent use;
(2) get out the raw material needed for injection mo(u)lding, knock down in hopper after mixing, compound enters the screw rod of injection machine through being melt into flow regime;
(3) adopting manipulator automatically to be taken by the box body of plastics sucking moulding places in injection machine mould, box mouth 11 is towards film chamber, the material of melting injects the circle body 2 that die cavity inherent box mouth 11 periphery is shaped to a coated box mouth, molding time is 15s, carry out cooling and demolding by chilled water to mould after shaping, chilled water temperature controls at 12 DEG C, and cool time is 5s, after the success demoulding, produce the integrated plastic packaging containers that a box body 1 is plastic-absorbing component, box mouth is moulding.
Embodiment 2
As shown in Figure 2, a kind of plastic packaging containers plastic-absorbing component and the integrated forming method of Shooting Technique, be divided into box body 1 ' and shell 2 ' by plastic packaging containers according to its structure, comprise the following steps:
(1) adopt single or multiple lift co-extrusion material to produce the box body 1 ' with the thin or high obstructing performance of wall through plastics sucking moulding processing method, box body is placed on conveyer belt or fixed station for subsequent use;
(2) get out the raw material needed for injection mo(u)lding, knock down in hopper after mixing, compound enters the screw rod of injection machine through being melt into flow regime;
(3) adopting manipulator to be taken by the box body 1 ' of plastics sucking moulding places in injection machine mould, box body 1 ' entirety enters in die cavity, the material of melting injects die cavity is shaped to coated box body shell 2 ' in box body 1 ' periphery, molding time is 25s, by chilled water, cooling and demolding is carried out to mould after shaping, chilled water temperature controls at 11 DEG C, cool time is 7s, after the success demoulding, produce a plastic-absorbing component and the integrated plastic packaging containers of moulding, i.e. the box integrated plastic packaging containers that is moulding as plastic-absorbing component 1 ', shell 2 '.
Whether multi-color injection molded etc. wherein embodiment 1 and embodiment 2, depending on the shaping ease of product, product weight, size, and change; Heating and temperature control is set between 30-300 degree, and the pressure setting of injection phase is at 10-1420bar, and Speed Setting is at 0-280mm/s, and the time is set in 0-999s, and position is set in 0-300mm; Above setting parameter, by depending on different infrastructure products, different equipment and setting; In addition, because this technique is that plastic uptake product is at injection moulding in-mould injection, therefore, time in-molded, embodiment 1 plastic-absorbing component local is in die cavity during injection mo(u)lding, under not needing the plastic-absorbing component position of injection moulding to be cooled by chilled water in die cavity, temperature is in less than 50 degree, in order to avoid the too high appearance causing the situation such as distortion, fusing of plastic-absorbing component of temperature, embodiment 2 plastic-absorbing component wholely puts into die cavity injection mo(u)lding, for avoiding the appearance of the situation such as distortion, fusing of plastic-absorbing component, fused materials can be improved and inject speed in die cavity and cooling velocity and temperature.
Described single or multiple lift coextrusion sheet can be that the different materials such as PET, GAG, PP, EVOH or PS are made, and the raw material of described Shooting Technique can be the different materials such as PP, PE, TPE.
Patent of the present invention is produced plastic packaging containers product and is had high obstructing performance, use the product of PS/EVOH/PS according to ASTM F1307-2002 (2007) " power consumption sensor measures the test method of dry packing material OTR oxygen transmission rate ", measure OTR oxygen transmission rate, test condition is T=23 DEG C, RH=50%, oxygen concentration is 100%, and test result produces a desired effect; Water vapour permeability, instrument is Mocon moisture-inhibiting instrument, and model is W3/33, and test condition is T=38 DEG C, RH=90%, and test result produces a desired effect; Can find out from test result, the barrier property that the inventive method produces the plastic packaging containers of gained is high, the requirement of client to barrier property can be met completely, and the plastic packaging containers that method is obtained is thus attractive in appearance, quality good, class is high, strengthening function property, improve false proof threshold, the different designs requirement of plastic packaging containers can be met, production cost is low simultaneously, can be widely used in plastic packaging containers production industry.
The above; be only preferred embodiment of the present invention; not in order to limit the present invention, every above embodiment is done according to technical spirit of the present invention any trickle amendment, equivalently replace and improve, all should be included in the protection domain of technical solution of the present invention.
Claims (6)
1. plastic packaging containers plastic-absorbing component and the integrated forming method of Shooting Technique, is characterized in that, comprise the following steps:
(1) adopt single or multiple lift coextrusion sheet to produce the plastic-absorbing component with high obstructing performance through plastics sucking moulding processing method, the plastic-absorbing component produced is placed on conveyer belt or fixed station for subsequent use;
(2) get out the raw material needed for injection mo(u)lding, knock down in hopper after mixing, compound enters the screw rod of injection machine through being melt into flow regime;
(3) adopting manipulator to be taken by plastic-absorbing component puts in injection machine die cavity, in-mould injection carries out to the local of plastic-absorbing component or entirety shaping, shaping rear placement a period of time cooling and demolding, namely completes a plastic-absorbing component and the integrated plastic packaging containers of Shooting Technique.
2. plastic packaging containers plastic-absorbing component according to claim 1 and the integrated forming method of Shooting Technique, is characterized in that, when described injection moulding is in-molded, when plastic-absorbing component carries out local in-mould injection, non-molded portion environment temperature controls below 50 DEG C.
3. plastic packaging containers plastic-absorbing component according to claim 1 and the integrated forming method of Shooting Technique, it is characterized in that, described cooling and demolding is for carry out cooling and demolding by chilled water to mould, mold bottom is provided with the water channel for freezing water flow, and chilled water temperature is set as 10-25 DEG C.
4. plastic packaging containers plastic-absorbing component according to claim 3 and the integrated forming method of Shooting Technique, described water channel is Two-way Cycle cooling water channel, and have two circulation waterways, water route diameter is set as 8-16mm.
5. according to plastic packaging containers plastic-absorbing component according to claim 1 and the integrated forming method of Shooting Technique, it is characterized in that, the described injection mo(u)lding time is 6-30S.
6. the plastic packaging containers plastic-absorbing component according to claim 1 or 3 and the integrated forming method of Shooting Technique, is characterized in that, described cool time is 2 ~ 20s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510461064.6A CN105014983A (en) | 2015-07-29 | 2015-07-29 | Forming method for plastic packing container with plastic absorber integrally formed with injection molding process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510461064.6A CN105014983A (en) | 2015-07-29 | 2015-07-29 | Forming method for plastic packing container with plastic absorber integrally formed with injection molding process |
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| CN105014983A true CN105014983A (en) | 2015-11-04 |
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| CN201510461064.6A Pending CN105014983A (en) | 2015-07-29 | 2015-07-29 | Forming method for plastic packing container with plastic absorber integrally formed with injection molding process |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101357509A (en) * | 2007-07-30 | 2009-02-04 | 叶欣 | Manufacture method of plastics parts for vehicle or cladding parts |
-
2015
- 2015-07-29 CN CN201510461064.6A patent/CN105014983A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101357509A (en) * | 2007-07-30 | 2009-02-04 | 叶欣 | Manufacture method of plastics parts for vehicle or cladding parts |
Non-Patent Citations (1)
| Title |
|---|
| 骆俊廷等: "《塑料成型模具设计（第2版）》", 30 September 2014, 国防工业出版社 * |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lin Zhuohui Inventor after: Zhang Xinqin Inventor before: Lin Zhuohui |
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| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151104 |
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| RJ01 | Rejection of invention patent application after publication |